Hi, I'm Saabbir Hossain.
As a Senior Software Engineer at EchoLogyx Ltd with over two years in this role, I lead the Shopify frontend team, mentor developers, and contribute to hiring efforts. I specialize in developing premium Shopify stores for high-growth brands using Liquid, JavaScript, SCSS, and Alpine.js, while conducting site audits to improve performance and Core Web Vitals.
With more than eight years of experience in frontend development, I have honed my expertise in A/B testing, CRO strategy, and building responsive websites. My work at EchoLogyx has allowed me to apply tools like Optimizely, AB Tasty, and VWO to create dynamic shopping experiences that enhance user engagement and drive growth. My commitment to clean code, scalability, and impactful collaboration ensures the delivery of high-quality digital solutions.
Licenses & Certifications
Optimizely Certified Experimentation Web Platform Expert
Optimizely Certified Experimentation Practitioner
Google Analytics for Beginners
Work Experience
Senior Software Engineer (Shopify & CRO Lead)
Leading the Shopify frontend team, mentoring developers, and contributing to hiring efforts. Specialized in developing premium Shopify stores for high-growth brands (Wax London, Raab Vital) using Liquid, JavaScript, SCSS, and Alpine.js, while conducting site audits to improve performance and Core Web Vitals. Delivered 200+ A/B test experiments using Optimizely, AB Tasty, Adobe Target, VWO, and Convert.
Senior Frontend Engineer
Led frontend development for an appsec SaaS security dashboard utilizing React.js, Vue.js, and Vuex/Redux. Built reusable component libraries, engineered custom WordPress themes, and developed fast static sites with Gatsby, Eleventy, and Nuxt.js.
Frontend Developer (Freelance)
Delivered 50+ pixel-perfect responsive websites (Figma/PSD to HTML & WordPress) and email templates. Created custom scalable SCSS architectures and utility-first CSS systems.